// --------------------------------------------------------------------------
//
// Macro for reconstruction of simulated events with standard settings
//
// HitProducers in MVD, RICH, TRD, TOF, ECAL
// Digitizer and HitFinder in STS
// FAST MC for ECAL
// STS track finding and fitting (L1 / KF)
// TRD track finding and fitting (L1 / KF)
// RICH ring finding (ideal) and fitting
// Global track finding (ideal), rich assignment
// Primary vertex finding (ideal)
// Matching of reconstructed and MC tracks in STS, RICH and TRD
//
// V. Friese   24/02/2006
// Version     24/04/2007 (V. Friese)
//
// --------------------------------------------------------------------------


void run_reco(Int_t nEvents = 3) {

  // ========================================================================
  //          Adjust this part according to your requirements

  // Verbosity level (0=quiet, 1=event level, 2=track level, 3=debug)
  Int_t iVerbose = 0;

  // Input file (MC events)
  TString inFile = "./test.mc.root";

  // Parameter file
  TString parFile = "./params.root";

  // Output file
  TString outFile = "./test.eds.root";

  //  Digitisation files.
  // Add TObjectString containing the different file names to
  // a TList which is passed as input to the FairParAsciiFileIo.
  // The FairParAsciiFileIo will take care to create on the fly 
  // a concatenated input parameter file which is then used during
  // the reconstruction.
  TList *parFileList = new TList();

  TString paramDir = gSystem->Getenv("VMCWORKDIR");
  paramDir += "/parameters";

  TObjString stsDigiFile = paramDir + "/sts/sts_v11a.digi.par";
  parFileList->Add(&stsDigiFile);

  TObjString trdDigiFile =  paramDir + "/trd/trd_v10b.digi.par";
  parFileList->Add(&trdDigiFile);


  // In general, the following parts need not be touched
  // ========================================================================


  // ----    Debug option   -------------------------------------------------
  gDebug = 0;
  // ------------------------------------------------------------------------


  // -----   Timer   --------------------------------------------------------
  TStopwatch timer;
  timer.Start();
  // ------------------------------------------------------------------------


  // ----  Load libraries   -------------------------------------------------
  gROOT->LoadMacro("$VMCWORKDIR/gconfig/basiclibs.C");
  basiclibs();
  gSystem->Load("libGeoBase");
  gSystem->Load("libParBase");
  gSystem->Load("libBase");
  gSystem->Load("libCbmBase");
  gSystem->Load("libCbmData");
  gSystem->Load("libField");
  gSystem->Load("libGen");
  gSystem->Load("libPassive");
  gSystem->Load("libMvd");
  gSystem->Load("libSts");
  gSystem->Load("libRich");
  gSystem->Load("libTrd");
  gSystem->Load("libTof");
  gSystem->Load("libEcal");
  gSystem->Load("libGlobal");
  gSystem->Load("libKF");
  gSystem->Load("libL1");
  gSystem->Load("libLittrack");
  gSystem->Load("libMinuit2"); // Nedded for rich ellipse fitter
  // ------------------------------------------------------------------------


  // -----   Reconstruction run   -------------------------------------------
  FairRunAna *run = new FairRunAna();
  run->SetInputFile(inFile);
  run->SetOutputFile(outFile);
  // ------------------------------------------------------------------------





  // =========================================================================
  // ===                        ECAL reconstruction                        ===
  // =========================================================================

  // -----   ECAL hit producer  ----------------------------------------------
  CbmEcalStructureFiller* ecalFill = new CbmEcalStructureFiller("ECAL filler", 0, "ecal/ecal_v08a.geo");
  ecalFill->SetUseMCPoints(kTRUE);
  run->AddTask(ecalFill);
  
  CbmEcalAnalysisSimple* ecalAna=new CbmEcalAnalysisSimple("ecalAna", 0, "");
  run->AddTask(ecalAna);
  // -------------------------------------------------------------------------

  // ===                      End of ECAL reconstruction                   ===
  // =========================================================================

  // -----  Parameter database   --------------------------------------------
  //  TString stsDigi = gSystem->Getenv("VMCWORKDIR");
  // stsDigi += "/parameters/sts/";
  //  stsDigi += stsDigiFile;
  FairRuntimeDb* rtdb = run->GetRuntimeDb();
  FairParRootFileIo* parIo1 = new FairParRootFileIo();
  FairParAsciiFileIo* parIo2 = new FairParAsciiFileIo();
  parIo1->open(parFile.Data());
  parIo2->open(parFileList, "in");
  rtdb->setFirstInput(parIo1);
  rtdb->setSecondInput(parIo2);
  rtdb->setOutput(parIo1);
  rtdb->saveOutput();
  // ------------------------------------------------------------------------


  // -----   Intialise and run   --------------------------------------------
  run->Init();
  cout << "Starting run" << endl;
  run->Run(0, nEvents);
  // ------------------------------------------------------------------------


  // -----   Finish   -------------------------------------------------------
  timer.Stop();
  Double_t rtime = timer.RealTime();
  Double_t ctime = timer.CpuTime();
  cout << endl << endl;
  cout << "Macro finished succesfully." << endl;
  cout << "Output file is " << outFile << endl;
  cout << "Parameter file is " << parFile << endl;
  cout << "Real time " << rtime << " s, CPU time " << ctime << " s" << endl;
  cout << endl;
  // ------------------------------------------------------------------------

  cout << " Test passed" << endl;
	cout << " All ok " << endl;
}